set 9 October 2026 · due 11 October 2026 · homework handed in · about 25 min · 15 marks
A line has the equation y = 3x + 4
Work out y when x = 0, when x = 1, when x = 2 and when x = 5
Write each sum.
[2 marks]
A line starts at 9 when x = 0
It goes up 6 every time x goes up 1
Write the equation of the line.
The line passes through (2, 21). Check your equation with x = 2 and write the sum.
[2 marks]
A line passes through (0, 4) and (2, 14)
Work out the gradient and write the sums you did.
Write the equation of the line.
Check it with x = 2 and write the sum.
[3 marks]
A line passes through (1, 6) and (4, 18)
Work out the gradient.
Substitute one of the points to find the start value, and write that line.
Write the equation of the line.
Check it with the other point.
[3 marks]
Work out the equation of the straight line that passes through (2, 11) and (5, 17)
[3 marks]
A line has the equation 2y = 8x + 6
Write it in the form y = …
Then write down its gradient and its start value (where it crosses the y-axis).
[2 marks]